package com.dongdongshop.controller;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradeFastpayRefundQueryRequest;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.request.AlipayTradeQueryRequest;
import com.alipay.api.request.AlipayTradeRefundRequest;
import com.dongdongshop.config.AlipayConfig;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import static java.lang.System.out;

@Controller
public class AlipayController {

    @RequestMapping("toIndex")
    public String index(){
        return "alipay/index";
    }

    /**
     *  支付宝的付款
     * @param WIDout_trade_no//商户订单号，商户网站订单系统中唯一订单号，必填
     * @param WIDtotal_amount//付款金额，必填
     * @param WIDsubject//订单名称，必填
     * @param WIDbody//商品描述，可空
     * @return
     */
    @RequestMapping("alipay/trade/page/pay")
    @ResponseBody
    public String tradePage(String WIDout_trade_no,String WIDtotal_amount,String WIDsubject,String WIDbody){

        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(AlipayConfig.return_url);
        alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ WIDout_trade_no +"\","
                + "\"total_amount\":\""+ WIDtotal_amount +"\","
                + "\"subject\":\""+ WIDsubject +"\","
                + "\"body\":\""+ WIDbody +"\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

        //若想给BizContent增加其他可选请求参数，以增加自定义超时时间参数timeout_express来举例说明
//        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
//        		+ "\"total_amount\":\""+ total_amount +"\","
//        		+ "\"subject\":\""+ subject +"\","
//        		+ "\"body\":\""+ body +"\","
//        		+ "\"timeout_express\":\"10m\","
//        		+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        //请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节

        //请求
        String result = null;
        try {
            result = alipayClient.pageExecute(alipayRequest).getBody();
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        //输出
        return result;
    }

    /**
     *创建交易方法
     * @param WIDTQout_trade_no 订单号
     * @param WIDTQtrade_no 支付宝流水号
     * @return
     */

    @RequestMapping("alipay/trade/query")
    @ResponseBody
    public String tradeQuery(String WIDTQout_trade_no,String WIDTQtrade_no){
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradeQueryRequest alipayRequest = new AlipayTradeQueryRequest();

        //商户订单号，商户网站订单系统中唯一订单号
        //支付宝交易号
        //请二选一设置

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ WIDTQout_trade_no +"\","+"\"trade_no\":\""+ WIDTQtrade_no +"\"}");

        //请求
        String result = null;
        try {
            result = alipayClient.execute(alipayRequest).getBody();
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }

        //输出
        return result;
    }

    /**
     *
     * @param WIDTRout_trade_no //商户订单号，商户网站订单系统中唯一订单号
     * @param WIDTRtrade_no//支付宝交易号
     * @param WIDTRrefund_amount//需要退款的金额，该金额不能大于订单金额，必填
     * @param WIDTRrefund_reason//退款的原因说明
     * @param WIDTRout_request_no//标识一次退款请求，同一笔交易多次退款需要保证唯一，如需部分退款，则此参数必传
     * @return
     */
    @RequestMapping("/alipay/trade/refund")
    @ResponseBody
    public String tradeRefund(String WIDTRout_trade_no,String WIDTRtrade_no,String WIDTRrefund_amount,String WIDTRrefund_reason
            ,String WIDTRout_request_no
    ){

        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradeRefundRequest alipayRequest = new AlipayTradeRefundRequest();
        alipayRequest.setBizContent("{\"out_trade_no\":\""+ WIDTRout_trade_no +"\","
                + "\"trade_no\":\""+ WIDTRtrade_no +"\","
                + "\"refund_amount\":\""+ WIDTRrefund_amount +"\","
                + "\"refund_reason\":\""+ WIDTRrefund_reason +"\","
                + "\"out_request_no\":\""+ WIDTRout_request_no +"\"}");

        //请求
        String result = null;
        try {
            result = alipayClient.execute(alipayRequest).getBody();
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }

        //输出
        return result;
    }

    /**
     *
     * @param WIDRQout_trade_no//商户订单号，商户网站订单系统中唯一订单号
     * @param WIDRQtrade_no/支付宝交易号(流水)
     * @param WIDRQout_request_no//请求退款接口时，传入的退款请求号，如果在退款请求时未传入，则该值为创建交易时的外部交易号，必填
     * @return
     */
    //退款查询
    @RequestMapping("/alipay/trade/fastpay/refund/query")
    @ResponseBody
    public String tradeFastpayRefundQuery(String WIDRQout_trade_no,String WIDRQtrade_no,String WIDRQout_request_no){

        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradeFastpayRefundQueryRequest alipayRequest = new AlipayTradeFastpayRefundQueryRequest();

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ WIDRQout_trade_no +"\","
                +"\"trade_no\":\""+ WIDRQtrade_no +"\","
                +"\"out_request_no\":\""+ WIDRQout_request_no +"\"}");

        //请求
        String result = null;
        try {
            result = alipayClient.execute(alipayRequest).getBody();
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }

        //输出
        return result;
    }

}
